first commit
This commit is contained in:
s.golasch
642
webglgeometrytext.html
Normal file
642
webglgeometrytext.html
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<!DOCTYPE html>
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<!-- saved from url=(0086)http://mrdoob.github.io/three.js/examples/webgl_geometry_text.html#FF000A0010#three.js -->
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<html lang="en"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
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<title>three.js webgl - geometry - text</title>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
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<style>
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body {
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font-family: Monospace;
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background-color: #000;
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color: #fff;
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margin: 0px;
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overflow: hidden;
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}
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#info {
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position: absolute;
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top: 10px;
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width: 100%;
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text-align: center;
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z-index: 100;
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display:block;
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}
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#info a, .button { color: #f00; font-weight: bold; text-decoration: underline; cursor: pointer }
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</style>
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</head>
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<body>
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<script src="./webglgeometrytext_files/three.min.js"></script>
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<script src="./webglgeometrytext_files/ConvolutionShader.js"></script>
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<script src="./webglgeometrytext_files/CopyShader.js"></script>
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<script src="./webglgeometrytext_files/FilmShader.js"></script>
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<script src="./webglgeometrytext_files/FXAAShader.js"></script>
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<script src="./webglgeometrytext_files/EffectComposer.js"></script>
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<script src="./webglgeometrytext_files/RenderPass.js"></script>
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<script src="./webglgeometrytext_files/ShaderPass.js"></script>
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<script src="./webglgeometrytext_files/MaskPass.js"></script>
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<script src="./webglgeometrytext_files/BloomPass.js"></script>
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<script src="./webglgeometrytext_files/FilmPass.js"></script>
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<script src="./webglgeometrytext_files/Detector.js"></script>
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<script src="./webglgeometrytext_files/stats.min.js"></script>
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<!-- load the font files -->
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<script src="./webglgeometrytext_files/gentilis_bold.typeface.js"></script>
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<script src="./webglgeometrytext_files/gentilis_regular.typeface.js"></script>
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<script src="./webglgeometrytext_files/optimer_bold.typeface.js"></script>
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<script src="./webglgeometrytext_files/optimer_regular.typeface.js"></script>
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<script src="./webglgeometrytext_files/helvetiker_bold.typeface.js"></script>
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<script src="./webglgeometrytext_files/helvetiker_regular.typeface.js"></script>
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<script src="./webglgeometrytext_files/droid_sans_regular.typeface.js"></script>
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<script src="./webglgeometrytext_files/droid_sans_bold.typeface.js"></script>
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<script src="./webglgeometrytext_files/droid_serif_regular.typeface.js"></script>
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<script src="./webglgeometrytext_files/droid_serif_bold.typeface.js"></script>
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<!-- todo async loader for fonts -->
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<script>
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if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
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var container, stats, permalink, hex, color;
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var camera, cameraTarget, scene, renderer;
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var composer;
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var effectFXAA;
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var group, textMesh1, textMesh2, textGeo, material;
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var firstLetter = true;
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var text = "three.js",
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height = 20,
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size = 40,
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hover = 40,
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curveSegments = 4,
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bevelThickness = 2,
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bevelSize = 1.5,
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bevelSegments = 3,
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bevelEnabled = true,
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font = "droid sans", // helvetiker, optimer, gentilis, droid sans, droid serif
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weight = "bold", // normal bold
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style = "normal"; // normal italic
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var mirror = true;
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var fontMap = {
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"helvetiker": 0,
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"optimer": 1,
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"gentilis": 2,
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"droid sans": 3,
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"droid serif": 4
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};
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var weightMap = {
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"normal": 0,
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"bold": 1
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};
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var reverseFontMap = {};
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var reverseWeightMap = {};
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for ( var i in fontMap ) reverseFontMap[ fontMap[i] ] = i;
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for ( var i in weightMap ) reverseWeightMap[ weightMap[i] ] = i;
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var targetRotation = 0;
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var targetRotationOnMouseDown = 0;
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var mouseX = 0;
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var mouseXOnMouseDown = 0;
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var windowHalfX = window.innerWidth / 2;
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var windowHalfY = window.innerHeight / 2;
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var postprocessing = { enabled : true };
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var glow = 2.9;
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init();
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animate();
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function capitalize( txt ) {
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return txt.substring( 0, 1 ).toUpperCase() + txt.substring( 1 );
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}
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function decimalToHex( d ) {
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var hex = Number( d ).toString( 16 );
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hex = "000000".substr( 0, 6 - hex.length ) + hex;
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return hex.toUpperCase();
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}
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function init() {
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container = document.createElement( 'div' );
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document.body.appendChild( container );
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permalink = document.getElementById( "permalink" );
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// CAMERA
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camera = new THREE.PerspectiveCamera( 30, window.innerWidth / window.innerHeight, 1, 1500 );
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camera.position.set( 0, 400, 700 );
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cameraTarget = new THREE.Vector3( 0, 150, 0 );
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// SCENE
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scene = new THREE.Scene();
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scene.fog = new THREE.Fog( 0x000000, 250, 1400 );
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// LIGHTS
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var dirLight = new THREE.DirectionalLight( 0xffffff, 0.125 );
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dirLight.position.set( 0, 0, 1 ).normalize();
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scene.add( dirLight );
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var pointLight = new THREE.PointLight( 0xffffff, 1.5 );
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pointLight.position.set( 0, 100, 90 );
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scene.add( pointLight );
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//text = capitalize( font ) + " " + capitalize( weight );
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//text = "abcdefghijklmnopqrstuvwxyz0123456789";
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text = "The Glitch in the Game";
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// Get text from hash
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var hash = document.location.hash.substr( 1 );
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if ( hash.length !== 0 ) {
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var colorhash = hash.substring( 0, 6 );
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var fonthash = hash.substring( 6, 7 );
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var weighthash = hash.substring( 7, 8 );
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var pphash = hash.substring( 8, 9 );
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var bevelhash = hash.substring( 9, 10 );
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var texthash = hash.substring( 10 );
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hex = colorhash;
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pointLight.color.setHex( parseInt( colorhash, 16 ) );
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//font = reverseFontMap[ parseInt( fonthash ) ];
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//font = 5;
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weight = reverseWeightMap[ parseInt( weighthash ) ];
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postprocessing.enabled = parseInt( pphash );
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bevelEnabled = parseInt( bevelhash );
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text = decodeURI( texthash );
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updatePermalink();
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} else {
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pointLight.color.setHSL(0.6236155861988664, 1, 0.5 );
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hex = decimalToHex( pointLight.color.getHex() );
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}
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material = new THREE.MeshFaceMaterial( [
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new THREE.MeshPhongMaterial( { color: 0xffffff, shading: THREE.FlatShading } ), // front
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new THREE.MeshPhongMaterial( { color: 0xffffff, shading: THREE.SmoothShading } ) // side
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] );
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group = new THREE.Object3D();
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group.position.y = 100;
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scene.add( group );
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createText();
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var plane = new THREE.Mesh( new THREE.PlaneGeometry( 10000, 10000 ), new THREE.MeshBasicMaterial( { color: 0xffffff, opacity: 0.5, transparent: true } ) );
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plane.position.y = 100;
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plane.rotation.x = - Math.PI / 2;
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scene.add( plane );
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// RENDERER
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renderer = new THREE.WebGLRenderer( { antialias: true } );
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renderer.setSize( window.innerWidth, window.innerHeight );
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renderer.setClearColor( scene.fog.color, 1 );
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container.appendChild( renderer.domElement );
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// STATS
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stats = new Stats();
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stats.domElement.style.position = 'absolute';
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stats.domElement.style.top = '0px';
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//container.appendChild( stats.domElement );
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// EVENTS
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/*document.addEventListener( 'mousedown', onDocumentMouseDown, false );
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document.addEventListener( 'touchstart', onDocumentTouchStart, false );
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document.addEventListener( 'touchmove', onDocumentTouchMove, false );
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document.addEventListener( 'keypress', onDocumentKeyPress, false );
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document.addEventListener( 'keydown', onDocumentKeyDown, false );
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document.getElementById( "color" ).addEventListener( 'click', function() {
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pointLight.color.setHSL( Math.random(), 1, 0.5 );
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hex = decimalToHex( pointLight.color.getHex() );
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updatePermalink();
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}, false );
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document.getElementById( "font" ).addEventListener( 'click', function() {
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if ( font == "helvetiker" ) {
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font = "optimer";
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} else if ( font == "optimer" ) {
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font = "gentilis";
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} else if ( font == "gentilis" ) {
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font = "droid sans";
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} else if ( font == "droid sans" ) {
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font = "droid serif";
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} else {
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font = "helvetiker";
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}
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refreshText();
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}, false );
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document.getElementById( "weight" ).addEventListener( 'click', function() {
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if ( weight == "bold" ) {
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weight = "normal";
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} else {
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weight = "bold";
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}
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refreshText();
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}, false );
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document.getElementById( "bevel" ).addEventListener( 'click', function() {
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bevelEnabled = !bevelEnabled;
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refreshText();
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}, false );
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document.getElementById( "postprocessing" ).addEventListener( 'click', function() {
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postprocessing.enabled = !postprocessing.enabled;
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updatePermalink();
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}, false );*/
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// POSTPROCESSING
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renderer.autoClear = false;
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var renderModel = new THREE.RenderPass( scene, camera );
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var effectBloom = new THREE.BloomPass( 0.25 );
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var effectFilm = new THREE.FilmPass( 0.5, 0.125, 2048, false );
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//effectFXAA = new THREE.ShaderPass( THREE.FXAAShader );
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//badTVPass = new THREE.ShaderPass( THREE.BadTVShader );
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var width = window.innerWidth || 2;
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var height = window.innerHeight || 2;
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//effectFXAA.uniforms[ 'resolution' ].value.set( 1 / width, 1 / height );
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effectFilm.renderToScreen = true;
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composer = new THREE.EffectComposer( renderer );
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composer.addPass( renderModel );
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//composer.addPass( badTVPass );
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composer.addPass( effectBloom );
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composer.addPass( effectFilm );
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//
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window.addEventListener( 'resize', onWindowResize, false );
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}
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function onWindowResize() {
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windowHalfX = window.innerWidth / 2;
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windowHalfY = window.innerHeight / 2;
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camera.aspect = window.innerWidth / window.innerHeight;
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camera.updateProjectionMatrix();
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renderer.setSize( window.innerWidth, window.innerHeight );
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composer.reset();
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effectFXAA.uniforms[ 'resolution' ].value.set( 1 / window.innerWidth, 1 / window.innerHeight );
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}
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//
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function boolToNum( b ) {
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return b ? 1 : 0;
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}
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function updatePermalink() {
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var link = hex + fontMap[ font ] + weightMap[ weight ] + boolToNum( postprocessing.enabled ) + boolToNum( bevelEnabled ) + "#" + encodeURI( text );
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permalink.href = "#" + link;
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window.location.hash = link;
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}
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function onDocumentKeyDown( event ) {
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if ( firstLetter ) {
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firstLetter = false;
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text = "";
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}
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var keyCode = event.keyCode;
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// backspace
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if ( keyCode == 8 ) {
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event.preventDefault();
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text = text.substring( 0, text.length - 1 );
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refreshText();
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return false;
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}
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}
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function onDocumentKeyPress( event ) {
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var keyCode = event.which;
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// backspace
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if ( keyCode == 8 ) {
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event.preventDefault();
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} else {
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var ch = String.fromCharCode( keyCode );
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text += ch;
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refreshText();
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}
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}
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function createText() {
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textGeo = new THREE.TextGeometry( text, {
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size: size,
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height: height,
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curveSegments: curveSegments,
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font: font,
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weight: weight,
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style: style,
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bevelThickness: bevelThickness,
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bevelSize: bevelSize,
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bevelEnabled: bevelEnabled,
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material: 0,
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extrudeMaterial: 1
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});
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textGeo.computeBoundingBox();
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textGeo.computeVertexNormals();
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// "fix" side normals by removing z-component of normals for side faces
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// (this doesn't work well for beveled geometry as then we lose nice curvature around z-axis)
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if ( ! bevelEnabled ) {
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var triangleAreaHeuristics = 0.1 * ( height * size );
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for ( var i = 0; i < textGeo.faces.length; i ++ ) {
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var face = textGeo.faces[ i ];
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if ( face.materialIndex == 1 ) {
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for ( var j = 0; j < face.vertexNormals.length; j ++ ) {
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face.vertexNormals[ j ].z = 0;
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face.vertexNormals[ j ].normalize();
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}
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var va = textGeo.vertices[ face.a ];
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var vb = textGeo.vertices[ face.b ];
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var vc = textGeo.vertices[ face.c ];
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var s = THREE.GeometryUtils.triangleArea( va, vb, vc );
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if ( s > triangleAreaHeuristics ) {
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for ( var j = 0; j < face.vertexNormals.length; j ++ ) {
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face.vertexNormals[ j ].copy( face.normal );
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}
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}
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}
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}
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}
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var centerOffset = -0.5 * ( textGeo.boundingBox.max.x - textGeo.boundingBox.min.x );
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textMesh1 = new THREE.Mesh( textGeo, material );
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textMesh1.position.x = centerOffset;
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textMesh1.position.y = hover;
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textMesh1.position.z = 0;
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textMesh1.rotation.x = 0;
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textMesh1.rotation.y = Math.PI * 2;
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group.add( textMesh1 );
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if ( mirror ) {
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textMesh2 = new THREE.Mesh( textGeo, material );
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textMesh2.position.x = centerOffset;
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textMesh2.position.y = -hover;
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textMesh2.position.z = height;
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textMesh2.rotation.x = Math.PI;
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textMesh2.rotation.y = Math.PI * 2;
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group.add( textMesh2 );
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}
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}
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function refreshText() {
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updatePermalink();
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group.remove( textMesh1 );
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if ( mirror ) group.remove( textMesh2 );
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if ( !text ) return;
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createText();
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}
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||||
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function onDocumentMouseDown( event ) {
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||||
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event.preventDefault();
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||||
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||||
document.addEventListener( 'mousemove', onDocumentMouseMove, false );
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||||
document.addEventListener( 'mouseup', onDocumentMouseUp, false );
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||||
document.addEventListener( 'mouseout', onDocumentMouseOut, false );
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mouseXOnMouseDown = event.clientX - windowHalfX;
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targetRotationOnMouseDown = targetRotation;
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|
||||
}
|
||||
|
||||
function onDocumentMouseMove( event ) {
|
||||
|
||||
mouseX = event.clientX - windowHalfX;
|
||||
|
||||
targetRotation = targetRotationOnMouseDown + ( mouseX - mouseXOnMouseDown ) * 0.02;
|
||||
|
||||
}
|
||||
|
||||
function onDocumentMouseUp( event ) {
|
||||
|
||||
document.removeEventListener( 'mousemove', onDocumentMouseMove, false );
|
||||
document.removeEventListener( 'mouseup', onDocumentMouseUp, false );
|
||||
document.removeEventListener( 'mouseout', onDocumentMouseOut, false );
|
||||
|
||||
}
|
||||
|
||||
function onDocumentMouseOut( event ) {
|
||||
|
||||
document.removeEventListener( 'mousemove', onDocumentMouseMove, false );
|
||||
document.removeEventListener( 'mouseup', onDocumentMouseUp, false );
|
||||
document.removeEventListener( 'mouseout', onDocumentMouseOut, false );
|
||||
|
||||
}
|
||||
|
||||
function onDocumentTouchStart( event ) {
|
||||
|
||||
if ( event.touches.length == 1 ) {
|
||||
|
||||
event.preventDefault();
|
||||
|
||||
mouseXOnMouseDown = event.touches[ 0 ].pageX - windowHalfX;
|
||||
targetRotationOnMouseDown = targetRotation;
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
function onDocumentTouchMove( event ) {
|
||||
|
||||
if ( event.touches.length == 1 ) {
|
||||
|
||||
event.preventDefault();
|
||||
|
||||
mouseX = event.touches[ 0 ].pageX - windowHalfX;
|
||||
targetRotation = targetRotationOnMouseDown + ( mouseX - mouseXOnMouseDown ) * 0.05;
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
//
|
||||
|
||||
function animate() {
|
||||
|
||||
requestAnimationFrame( animate );
|
||||
|
||||
render();
|
||||
stats.update();
|
||||
|
||||
}
|
||||
|
||||
function render() {
|
||||
|
||||
group.rotation.y += ( targetRotation - group.rotation.y ) * 0.05;
|
||||
|
||||
camera.lookAt( cameraTarget );
|
||||
|
||||
renderer.clear();
|
||||
|
||||
if ( postprocessing.enabled ) {
|
||||
|
||||
composer.render( 0.05 );
|
||||
|
||||
} else {
|
||||
|
||||
renderer.render( scene, camera );
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
</script><div><canvas width="1756" height="1524" style="width: 878px; height: 762px; position: fixed; top: 0; left: 0; z-index: -1"></canvas></div>
|
||||
|
||||
|
||||
|
||||
</body></html>
|
||||
Reference in New Issue
Block a user